Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
name the covering.
a. Fascicle
b. Peruneurium
c. epineurium
d. neurilemma
e. endoneurium
Transcribed Image Text:The image appears to be a model illustrating the structure of a neuron and its synapse. Here is a detailed explanation:
### Neuron Structure:
1. **Cell Body (Soma):**
- The large blue structure in the foreground represents the neuron's cell body.
- It contains various organelles responsible for maintaining cell function, highlighted by different colored shapes.
2. **Nucleus:**
- Represented by a central, dark blue structure within the cell body, the nucleus contains the cell's genetic material.
3. **Dendrites:**
- The branching extensions at the top and sides of the cell body model, represented in a lighter blue, are dendrites.
- These structures receive incoming signals from other neurons.
4. **Axon:**
- The elongated extension coming from the neuron, wrapped in beige structures (representing myelin sheaths), carries nerve impulses away from the cell body.
### Synapse:
- At the far end of the axon, where it appears to connect to another structure, this represents the synapse, the junction between neurons.
### Background Diagram:
- In the background, there is a diagram illustrating the neuron’s position within a larger system, possibly the nervous system, with an arrow indicating the direction of signal transmission.
This educational model helps visualize neuronal structure and nerve signal conduction, essential for understanding the nervous system's functionality.
Transcribed Image Text:The image depicts a detailed model of a neuron and a synaptic junction.
1. **Neuron Structure**:
- The blue structures with branching elements represent neurons with dendrites extending outward.
- The central part of the neuron, marked by intricate internal organelles, illustrates the cell body (soma), including the nucleus.
- Various colored elements suggest different cellular components such as mitochondria and ribosomes.
2. **Synapse Model**:
- The image shows a synaptic cleft, indicating the area where neurotransmission occurs between neurons.
- Multi-colored segments represent the flow of neurotransmitters from one neuron to another.
The image serves educational purposes to explain neuron anatomy and the fundamental process of synaptic transmission.
Expert Solution
Step 1
All the choices given in the question are part of the nerve. A nerve is an enclosed, cable-like bundle of axons in the peripheral nervous system.
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